| 变截面箱形薄壁立柱扭转屈曲荷载的近似分析 |
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| 引用本文： | 谢用九 宁钦海. 变截面箱形薄壁立柱扭转屈曲荷载的近似分析[J]. 西南交通大学学报, 1993, 6(6): 23-29 |
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| 作者姓名： | 谢用九 宁钦海 |
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| 作者单位： | 西南交通大学桥梁及地下工程系，西南交通大学桥梁及地下工程系 成都 610031，成都 610031 |
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| 摘 要： | 本文利用虚位移原理导出了变截面箱形薄壁立柱约束扭转屈曲荷载的近似计算公式。利用这些公式，可使计算在代1500台式计算机上实施，且程序短，结果精确.
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| 关 键 词： | 约束扭转 屈曲荷载 |
An Approximate Analysis for the Torsional Buckling Load of a Thin walled Box Column with Variable Section |
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| Xie Yongjiu,Ning Qinhai Dept.of Bridge and Underground Eng.,Southwest Jiaotong University,Chengdu ,China. An Approximate Analysis for the Torsional Buckling Load of a Thin walled Box Column with Variable Section[J]. Journal of Southwest Jiaotong University, 1993, 6(6): 23-29 |
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| Authors: | Xie Yongjiu Ning Qinhai Dept.of Bridge Underground Eng. Southwest Jiaotong University Chengdu China |
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| Affiliation: | Xie Yongjiu,Ning Qinhai Dept.of Bridge and Underground Eng.,Southwest Jiaotong University,Chengdu 610031,China |
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| Abstract: | Employing the principle of virtual displacements, approximate formulas for the torsional buckling load of a thin walled box column with variable section are derived. Using these formulas, the calculation can be implemented in the computer PC 1500 with shorter programme and accurate resulut. |
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| Keywords: | restrained torsion buckling load |
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